The package is not currently digitally signed, but as long as you're downloading from the URL in step 3, it should be safe.

程序包目前未经过数字签名，但只要您是按照第三步的 URL 下载的，就是安全的。

youdao

If you're really unsure about whether you should be running, play it safe and give yourself a couple days of rest - you won't lose much fitness at all.

如果你实在无法确定自己时候应该跑步，应在确保安全的前提下并给自己几天休息的时间——这并不会让你损失多少健康。

youdao

Any objects touched by listeners should either be thread safe or, for thread-confined objects such as Swing models, the listener should be confident that it is executing in the right thread.

侦听器涉及的任何对象，都应当是线程安全的，或者是受线程约束的对象(例如Swing模型)，侦听器应当确定自己正在正确的线程中执行。

youdao

Older equipment powered by fossil fuels should be inspected every year to make sure it continues to be safe.

VOA: special.2010.02.02

"Abortion should be rare, but it should be safe and legal -- and the government should stay out of the bedrooms of America, " he said to cheers and applause.

CNN: Kerry affirms support for?abortion rights

But the reason companies including Regeneron, its partner Sanofi, Amgen, and Pfizer are so excited about PCSK9 is because it should be a safe target.

FORBES: Analyst Is Skeptical Of Rival Company's Warnings About Regeneron

From that record it seems we should be safe for a while.

FORBES: Has the Swine Flu Disappeared?